that's where mitt romney and paul ryan are campaigning. romney needs ohio to win. of david muir with the key group that might help him get there. >> room any closing argument. one of the battle ground he need. >> i'm counting on iowa. >>reporter: today romney delivered the economic message. message our new poll shows is resonating loudest among one key group. white men. in fact so much made of the powerful women vote but it's men who are driving mitt romney numbers. room any leads the president with white men 66-32 percent. up 34.lead. mccain lead among white men 4 years ago was half that. >> mitt romney may have a hard time relating to voters but he's dialed in to white men. very much atune to what he is saying about the economy. >>reporter: contrast to the president and mtv town hall his visit lake the one to the view romney sending his wife ann instead. own appearance meant to carefully court his base. dozen appearance this year alone popular conservative host shawn and canton ohio tonight supporters here hopeful they can overcome the president small but stubbor